Mathematics, 20.12.2019 02:31 becky6962
An agribusiness performed a regression of wheat yield (bushels per acre) using observations on 20 test plots with four predictors (rainfall, fertilizer, soil acidity, hours of sun). the standard error was 1.13 bushels.
(a) find the approximate width of a 95% prediction interval for wheat yield. (round your answer to 2 decimal places.)
yˆiyi ±
(b) find the approximate width using the quick rule. (round your answer to 2 decimal places.)
yˆiyi ±
Answers: 3
Mathematics, 21.06.2019 16:30
11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%
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Mathematics, 22.06.2019 01:00
Find the unit rate. enter your answer as a mixed number. a fertilizer covers 2/3 square foot in 1/2 hour.
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Mathematics, 22.06.2019 03:10
Ofof is a ? a. (1, 2), (1,-2), (3, 2), (3, 4) b. (1,6), (2, ,9), (0,5) c. (0, 2), (2,3), (0, -2), (4,1) d. (2, 4), (0, 2), (2, - 4), (5,3)
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Mathematics, 22.06.2019 03:50
Gigi earned $65 for 5 hours of gardening. she earned $90 for 9 hours of office work. which statement correctly compares gigi’s earning per hour for gardening and office work? she earned $3 more per hour for office work than for gardening. she earned $4 more per hour for office work than for gardening. she earned $3 more per hour for gardening than for office work. she earned $4 more per hour for gardening than for office work.
Answers: 1
An agribusiness performed a regression of wheat yield (bushels per acre) using observations on 20 te...
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